2002 TOHATSU MFS5A2 5hp Tohatsu boat motor won't start, here's the fix! Reconnect the wire to the plug and lay the plug against the engine block so that the metal of the plug is firmly touching the engine block (to ensure that its grounded). Do a quick visual inspection from the tank to the motor and then run your hand along the fuel hose. Even the mood created by this idyllic scene can be ruined by a hard to start marine engine. When you back down the ramp, turn the key, and nothing happens, it's a problem. Apr 7, 2018. If it still doesnt start try cleaning the carb with carb cleaner in case some oil is in the jets etc Should start back up. Scott Paul Kaune Tank Vent Open Battery If the engine cranks slowly or doesn't crank at all, it's possible your battery may be dead or low. There are five major things that you can troubleshoot to get your engine turning over. If your boat has a battery switch, make sure its set to the ON position. 9 Aug 2010. Bought it new in 2012, ran perfectly right out of the box, but a bit cranky to start, still runs perfectly, trolls way down for hours without dying, & puts out full power. An electric machine that runs on fuel or electricity is likely to be overheated due to excessive usage. I'm about 4 hours into the break in process and have noticed that it is not nearly as easy to start as I hoped. Re: Tohatsu 2.5 Wont idle and Hard to Start If engine is same as the 2T/3.5 model, remove fuel **** from lower tank and check internal linear gas screen/filter (looks as a large worm) probably gunk/debris obstructed too, clean interior gas tank well clean/replace fuel ****. Normally when I go to start the motor, I shift it into forward, neutral, reverse then back to neutral just to make sure I am in neutral BEFORE starting it. I had a 4-stroke Tohatsu 5 on my 22. I never had to modify anything to get it to start, but I did eventually develop a meticulous procedure. Make sure that it's running well and water is pumping, and then slowly push in the choke. I have no idea what the slow pull did, but if I did a slow pull first, the next pull just about always started it. Messages. Move the shifter into gear and back to neutral to make sure it's correctly set. Only squeeze the primer ball just enough for it to firm up, no more. Restoring TOHATSU 5 HP Tohatsu boat motor won't start, here's the fix! Hoping someone can help me. 1. Restoring TOHATSU 5 HP Tohatsu boat motor won't start, here's the fix! Boating. Fuel Line Air Leak. Merely said, the nissan marine tohatsu outboards service manual 25 through 40c is universally compatible gone any devices to read. Battery switch is off. Finally got rid of my old 2 stroke merc 9.9 that was giving me issues and saved up and bought a brand new 2018 tohatsu 20hp efi. What is the break-in procedure for my Tohatsu outboard? The break-in period is the most critical time in the life of your Tohatsu outboard. Correct operation during the break-in period will prolong the life of your new outboard and will ensure optimum performance. How Don't get stuck at the boat ramp - fix your outboards fast, with these basic troubleshooting tips. Outboard Troubleshooting Tip 1: Check the Obvious The simplest things that would prevent an engine from starting can be easily overlooked, but start with the obvious first. Check out this list of 25 reasons why your boat motor wont turn over or boat engine wont start. Primer Bulb. 4. For carburetors which feature a plug, youll just need to remove that. This article covers exactly how to diagnose a boat engine that wont turn over and how to troubleshoot the source of the problem step-by-step. If it does, disconnect it and see if the engine now runs properly. Just about every engine has a kill switch and from that comes a red safety lanyard. Sometimes a little groan of a motor engine signifies the sign of being overheated. Use a voltmeter to check the condition of your battery. Here is an example of why a 6HP Tohatsu won't start after sitting. Bought a new 6hp 4 stroke Tohatsu outboard 6 weeks ago. If it is still hard to start give it a shot of ether/starter in the carb and try. If not You might need to take carb apart or take to dealer. Typically located in a large red holder on the engine wiring harness, it's usually a 20-amp fuse that's easily replaced. Get a couple If you hear a clicking sound when the starter motor attempts to engage the flywheel, inspect the starter solenoid. Connections If the fuse is OK, check the main power plug that connects the engine wiring to the boat. Servicing my Tohatsu 3.5hp four stroke outboard engine Website Where you can Download Car Repair ManualsSeloc Tohatsu Outboard Service Manual Supplement Four Stroke 200 HP BFT200A & 225 HP BFT225A 61ZY300Z-US Original Measure from the top of your transom to the bottom of your keel. If it is from 15" to 17" long you'll need to get a Tohatsu outboard with a "short" shaft. If it is from 20" to 22" long you'll need our "long" shaft outboard. Tohatsu outboard shafts are measured from the bottom of the engine mounting bracket to the cavitation plate on the lower unit. If it does, your engine either has an overheating issue (faulty thermostat, waterpump, blocked head, etc) OR a faulty temp sender. Once started the motor has been very reliable. Most outboards wont start if the motor is in gear. When the warning lamp is off, it indicates that sufficient oil pressure is present. Spark Check: Your outboard needs spark at the spark plugs in order to start. Malfunctioning Fuel Pump. 3) Check stator output. To avoid this, empty the carburetor bowl if you know you wont be running the engine in more than 7-10 days. Tohatsu outboards are not different in such a manner. Follow the starting instructions EXACTELY. Re: Tohatsu 3.5 4 stroke won't start.UPDATE Quite a common problem. Check the outboard's main fuse. 2. Cut off the one-way duckbill valve in the cap, allowing venting in & out of the tank, eliminating the pressure build up. Tangled Propeller. Without fuel, your engine won't run. As a service to our customers, copies of our owner's manuals are available for download at no charge: The manuals are in Adobe's "PDF" format. Simply disconnect the fuel line and run the engine until it quits, starved for fuel. If the engine won't crank but other lights and gauges work correctly, check that the gear shift is in neutral. As long as the carburetor is empty, there is not fuel to evaporate and leave a varnish plugging the jets. As a result, you will experience your outboard motors RPM fluctuating up and down. Happy Boating N Ns2.5a Cadet Joined Aug 15, 2010 Messages 10 Aug 16, 2010 Most outboards will not crank if the boat is in gear. 2) Check if the temperature sender in the cylinder head connects to the power-pack. Another possible reason your outboard motor is struggling to reach full speed is an air leak in your boats fuel line. Faulty Impeller. How to Change the Gear Oil in a Tohatsu Outboard engine Tohatsu Outboard Service Manuals - free download links 2006 Tohatsu 6hp detailed service-Everything you need to know! 2. Dont spend your time aimlessly poking and prodding; instead use this list to help identify the problem. Many times, the problem will be very apparent when you do this. Yesterday I went to start it and the engine jerked to the side. Most outboards won't start unless the shifter is in neutral. Remove one spark plug wire and spark plug. If the warning lamp is on (red light is on) or blinking on/off, immediately shut down your outboard and check the oil level. Tohatsu offers some of the best outboard two-stroke and four-stroke motors, which are also widely known as bullet-proof outboard motors. Most of the Tohatsu outboard motors are built with outstanding features combined with unmatched technology, proven reliability, and speed or power. In case this happens, there will be a constant fluctuation in the fuel supply pumped into your boats carburetors. I just need to remember to unplug the fuel line between the outboard and the gas tank each time I finish sailing. Likely the low speed circuit is restricted with deposits. They also get overheated but its not only for overheating issues. Kill switch disconnected. tohatsu msf50 less than 10hrs problems Cold start problem fixing. subsequent to this one. Double-check that the motor hasn't been left in gear by moving the shifter in and out of gear a couple of times. I would bet it is just fouled plugs.. oil on them. Or, it would be, if you hadn't seen this video on basic troubleshooting when your outboards won't start. That means, as long as it's not aluminum oxide from the "water left in the bowl", it can probably be cleaned. Debris such as fishing line, excessive seaweed, beer can rings, or nearly any other material can wrap around the propeller and its spindle. To start and run, a Yamaha outboard needs a properly timed ignition and correct air/fuel ratio. If it still wont crank, check the neutral switch. In this video we look at all the reasons why an outboard with an electric start might not turn over. Bad Spark Plugs. So you've just turned the key and nothing happens. In order to download/view the manuals you must have the Adobe Acrobat Reader installed on your computer. Tohatsu boat motor won't start, here's the fix! Also, be sure to check if the emergency shutoff switch cap is in place. Then let the outboard run for a minute until it burns all the excess fuel out of the carburetor bowl. OUTBOARD WONT START WHEN USING AN EXTERNAL GAS TANK If your outboard has an external gas tank, there can be a number of problems between it and the motor. ( Click here to download the FREE Acrobat Reader program.) Engine Overheating Problem: Several users have claimed that they encountered overheating Kill Lanyard. 1. Last two trips out, starts on the 2nd or 3rd pull, clean with no smoke. Missing, loose or malfunction kill switches is one of the most common causes of outboards failing to start! If your outboard motor will not throttle up, the issue may be as simple as a tangle. darjeeling tea with or without milk Oct 28, 2021 ; tohatsu outboard won't start Low or Stale/Contaminated Fuel Checking you have gas is both quick and simple. The battery, battery cables, starter solenoid/relay, the starter itself and the key switch. However it is getting more difficult to start when cold. Neutral Switch If it still won't crank, check the neutral switch. 3. More likely the problem lies in the fuel supply from tank to the carburettor and on to the combustion chamber or the fuel itself is bad. Your Tohatsu 4-stroke outboard is equipped with an Engine Oil Warning Lamp (except for 2hp, 2.5hp & 3.5hp). If the lanyard isn't connected correctly, or at all, the engine won't start, so it pays to check this first. 2.